package com.heima.wemedia.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.heima.file.service.FileStorageService;
import com.heima.model.common.dtos.PageResponseResult;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.wemedia.dtos.WmMaterialDto;
import com.heima.model.wemedia.pojos.WmMaterial;
import com.heima.utils.thread.WmThreadLocalUtil;
import com.heima.wemedia.mapper.WmMaterialMapper;
import com.heima.wemedia.service.WmMaterialService;
import lombok.extern.slf4j.Slf4j;
import org.checkerframework.checker.units.qual.A;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.util.Date;
import java.util.UUID;


@Slf4j
@Service
@Transactional
public class WmMaterialServiceImpl extends ServiceImpl<WmMaterialMapper, WmMaterial> implements WmMaterialService {

@Autowired
private FileStorageService fileStorageService;
    @Override
    public ResponseResult uploadpicture(MultipartFile multipartFile) {
        //检擦参数
        if(multipartFile==null|| multipartFile.isEmpty()){
            return ResponseResult.errorResult(AppHttpCodeEnum.PARAM_INVALID);

        }
        // 上传图片
        String filename = UUID.randomUUID().toString().replace("-", "");
        String originalFilename = multipartFile.getOriginalFilename();
        String postfix = originalFilename.substring(originalFilename.lastIndexOf("."));
        String fileId=null;

        try {
             fileId = fileStorageService.uploadHtmlFile("", filename + postfix,multipartFile.getInputStream());
        } catch (IOException e) {
            throw new RuntimeException(e);
        }

        // 保存数据库
        WmMaterial wmMaterial = new WmMaterial();
        //用户信息存入了拦截器。这里调用了
        wmMaterial.setUserId(WmThreadLocalUtil.getUser().getId());
        wmMaterial.setUrl(fileId);
        wmMaterial.setIsCollection((short) 0);
        wmMaterial.setCreatedTime(new Date());
        //mybatispuls的保存
        save(wmMaterial);
        // 返回结果

        return ResponseResult.okResult(wmMaterial);
    }

    @Override
    public ResponseResult findList(WmMaterialDto dto) {
        //检查参数
        dto.checkParam();
        // 分页查询
        IPage page=new Page(dto.getPage(), dto.getSize());
        LambdaQueryWrapper<WmMaterial> queryWrapper = new LambdaQueryWrapper<>();
        //是否收藏
        if (dto.getIsCollection()!=null||dto.getIsCollection()==1) {
            queryWrapper.eq(WmMaterial::getIsCollection,dto.getIsCollection());
        }
        // 按照用户查询
        queryWrapper.eq(WmMaterial::getUserId,WmThreadLocalUtil.getUser().getId());
        // 安装时间倒序
        queryWrapper.orderByDesc(WmMaterial::getCreatedTime);
        page(page, queryWrapper);
        // 结果返回
        ResponseResult responseResult = new PageResponseResult(dto.getPage(),dto.getSize(),(int)page.getTotal());
        responseResult.setData(page.getRecords());
        return responseResult;
    }
}
